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Finding the Fourth Proportional to 62,472.90, 86,223.70 and 36,993.41

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Solution

The fourth proportional to 62,472.90, 86,223.70 and 36,993.41 is: 51,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.90 : 86,223.70 = 36,993.41 : x
  2. Step 2: Convert to fraction form
    62,472.90/86,223.70 = 36,993.41/x
  3. Step 3: Cross multiply
    62,472.90x = 86,223.70 × 36,993.41
  4. Step 4: Simplify right side
    62,472.90x = 3,189,708,069.73
  5. Step 5: Solve for x
    x = 3,189,708,069.73/62,472.90
  6. Step 6: Final answer
    x = 51,057.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.